20488276 has 6 divisors (see below), whose sum is σ = 35854490. Its totient is φ = 10244136.

The previous prime is 20488231. The next prime is 20488291. The reversal of 20488276 is 67288402.

It can be written as a sum of positive squares in only one way, i.e., 20484676 + 3600 = 4526^2 + 60^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561031 + ... + 2561038.

Almost surely, 2^20488276 is an apocalyptic number.

It is an amenable number.

20488276 is a deficient number, since it is larger than the sum of its proper divisors (15366214).

20488276 is a wasteful number, since it uses less digits than its factorization.

20488276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122073 (or 5122071 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 20488276 is about 4526.3976846936. The cubic root of 20488276 is about 273.6330000493.

The spelling of 20488276 in words is "twenty million, four hundred eighty-eight thousand, two hundred seventy-six".